Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

Ridge Spring, Town of

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND30ND
2021ND40ND
2022ND30ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-17AE06217ND
2018-05-02AE11636ND
2018-07-18AE15231ND
2018-10-17AE19864ND
2019-02-27AE26426ND
2019-04-02AE28055ND
2019-07-16AE33704ND
2019-11-25AE40764ND
2020-02-11AE44279ND
2020-04-22AE47574ND
2020-12-09AE58678ND
2021-02-24AE61854ND
2021-06-24AE67917ND
2021-07-21AE69291ND
2021-11-17AE75295ND
2022-01-12AE77416ND
2022-04-20AE82499ND
2022-11-16AE93064ND
2023-10-18AF10384ND